Snyder, T. (2018). The road to unfreedom: Russia, Europe, America. Tim Duggan Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSnyder, Timothy. The Road to Unfreedom: Russia, Europe, America. New York: Tim Duggan Books, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSnyder, Timothy. The Road to Unfreedom: Russia, Europe, America. Tim Duggan Books, 2018.
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